Maria N. Sheveleva. Once more on the Perfect and Aorist in Early East Slavic texts
RJANO. 2020. № 2 (40), Pages. 151 - 184

Ekaterina A. Vlasova. The use of jako recitativum in Russian chronicles of the eleventh-sixteenth centuries
RJANO. 2016. № 2 (32), Pages. 143 - 174